SELECT
  P.PF_CODE AS 都道府県コード,
  P.PF_NAME AS 都道府県名,
  ROUND(
    CAST(H.INP_YES AS REAL)
    / CAST((H.INP_YES + H.INP_NO + UNIDENTIFIED) AS REAL)
    * 100
    , 1
  ) AS 入院率

FROM
  PREFECTURE AS P
INNER JOIN
  HOSPITALIZATION AS H
ON
  P.PF_CODE = H.PF_CODE
ORDER BY
  入院率 DESC,
  P.PF_CODE ASC
;